Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20145121 (number)

20145121 is an odd 8-digits composite number following 20145120 and preceding 20145122. In scientific notation, it is written as 2.0145121 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 6 positive divisors. There are 19970496 positive integers (up to 20145121) that are relatively prime to 20145121.

Interesting facts

20145121 has 6 divisors, whose sum is 20321250
The reverse of 20145121 is 12154102
Previous prime number is 127

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty million one hundred forty-five thousand one hundred twenty-one

Notation

Scientific notation	2.0145121 × 10^7
Engineering notation	2.0145121 × 10^6

Prime Factorization of 20145121

Prime Factorization 127 × 127 × 1249

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	158623	Product of the distinct prime numbers

The prime factorization of 20145121 is 127 × 127 × 1249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 86, 28, 744, 904, 6869, 5400, 24789, 22088, 662124, 911139, 3679875, 4644844, 17397549, 78361512, 843252481, 183083282, 1071305198, 4434452435

Basic calculations (n = 20145121)

Multiplication

n×y

n×2	40290242
n×3	60435363
n×4	80580484
n×5	100725605

Division

n÷y

n÷2	10072560.5
n÷3	6715040.3333333
n÷3	5036280.25
n÷5	4029024.2

Exponentiation

n^y

n²	405825900104641
n³	8.1754118625419E+21
n⁴	1.6469466119574E+29
n⁵	3.3177938778422E+36

Nth Root

^y√n

²√n	4488.3316499564
³√n	272.09671175261
⁴√n	66.995012127444
⁵√n	28.895750321549

Divisors of 20145121

1, 127, 1249, 16129, 158623, 20145121

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20145120	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145121 can be divided by 6 positive divisors. The sum of these divisors (counting 20145121) is 1, the average is 0.16666666666667.

Base conversion 20145121

Base	System	Value
2	Binary	1001100110110001111100001
3	Ternary	1101220110220121
4	Quaternary	1030312033201
5	Quinary	20124120441
6	Senary	1555440241
8	Octal	114661741
10	Decimal	20145121
12	Duodecimal	68b6081
16	Hexadecimal	13363e1
20	Vigesimal	65i2g1
36	Base36	bzs2p

Cryptographic Hash Functions

md5	b879e41e2902f1e8f5a207c285ce97cc
sha1	3628083b1b1563696bfa51cd7aa8f934753608a7
sha256	f4e2ba5d8ad430f86bed478aeb8732a572fc43a9df19284c06b29577efc46594
sha512	a88210395e28c964ea40a6805ec68e80622a4c4873c414a07ed8ef180218cc05e7e101d56e0547b2caaaa14e10ee416453551ed46d67c9be42e6c19a56a55eb6
ripemd-160	4a86b76a8330e7b4270a4f273623e6166f23b967

20145121 as geometric shapes

Circle

Radius = n

Diameter	40290242
Circumference	126575528.27855
Area	1.2749396664052E+15

Sphere

Radius = n

Volume	3.424508512991E+22
Surface area	5.0997586656208E+15
Circumference	126575528.27855

Square

Length = n

Perimeter	80580484
Area	405825900104641
Diagonal	28489503.333847

Cube

Length = n

Surface area	2434955400627846
Volume	8.1754118625419E+21
Space diagonal	34892373.096623

Equilateral Triangle

Length = n

Perimeter	60435363
Area	1.7572776950215E+14
Altitude	17446186.548311

Triangular Pyramid

Length = n

Surface area	1.7572776950215E+14
Volume	9.6348152783272E+20
Height	9496501.1112824